Zitat
C. Röhrig, D. Heß, and F. Künemund, “Constrained Kalman filtering for indoor localization of transport vehicles using floor-installed HF RFID transponders,” in 2015 IEEE international conference on RFID (RFID 2015) : San Diego, California, USA, 15-17 April 2015, Piscataway, NJ: IEEE, 2015, pp. 113–120.